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(No Model.) 3 SheetsSheet 1.

S. CHANDLER, $1 S. CHANDLER, Jr.,& J. CHANDLER. APPARATUS FOR WASHING AND SORUBBING GAS.

No. 406,124. .PatentedJuly Z, 1889.

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S. CHANDLER, Sr., S. OHANDLER,-Jr.;-& 'J. CHANDLER.

APPARATUS FOR WASHING AND .SGRUBBING GAS.

- No. 406,124. Patented July 2, 1889.

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(No Model.) 3 Sheets-Sheet 3.

S. CHANDLER, Sr., S. CHANDLER. Jr.,& J. CHANDLER. APPARATUS FOR WASHING AND SORUBBING GAS.

No. 406,124. Patented July 2, 1889.

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n PETERB. imomLamn l-m, wan 5h UNITED STATES AT NT OFFICE.

SAMUEL CHANDLER, SR, SAMUEL CHANDLER, JR, AND JOSIAH CHANDLER, OF LONDON, ENGLAND, ASSIGNORS TO KIRKHAM, HULETT & CHANDLER,

(-LIMITED,) on SALE PLACE.

APPAl lATUS FoR WASHING AND SCRUBBIN'G GAS.

SPECIFICATION forming part of Letters Patent No. 406,124, dated July 2, 1889. Application filed February 6, L889. Serial No. 298,841. (No model.)

To all whom it may concern;

Be it known that we, SAMUEL CHANDLER, Sn, SAMUEL CHANDLER, J r., and J OSIAH CHANDLER, subjects of the Queen of Great Britain, and residents of London, England, have invented new and useful Improvements in Apparatus for Washing and Scrubbing Gas, of which the following is a specification.

This invention relates to improvements in the washing and scrubbing of gas and to the scrubbing devices used therefor.

According to our invention,we cause liquor from the last or foulest bay of a washerscrubber to be carried back to a bay or bays through which the liquor has already passed, whereby we thoroughly extract the ammonia from the gas and increase the strength of the ammoniacal liquor and more effectually than heretofore purify the gas from other impurities.

Our invention, in so far as it relates to scrubbing devices used for providing wetted surfaces in washer-scrubbers, consists in providing scrubbing devices, as hereinafter more particularly described, which shall be simple, effective, light, and economical, and adapted to rotate in the bays or receptacles of a washerscrubber.

To enable our invention to be fully understood, We will describe how it can be carried into practice by reference to the accompanying drawings, in which- Figure l is a side elevation of a gas washerscrubber constructed according to our invention. Fig. 2 is a plan, partly in section, of the same; and Fig. 3 is a vertical section on the line A B of Fig. 1. Fig. 4 is a detached end view, drawn to an enlarged scale, of one of the sections of our improved scrubbing devices, and Fig. 5 is a section of the same on the line C D of Fig. 4. Fig. 6 is a trans verse vertical section of part of a wheel formed by our scrubbing devices; and Fig. 7 is a side elevation of the same, partly in section, on the' line E F of Fig. 6. Figs. 8, 9, 10, and 11 are corresponding views to those shown in Figs. 4:, 5, 6, and 7, illustrating a modification of the arrangement of the scrubbing devices,

a is the body or casing of the apparatus.

which is divided into bays or chambers containing water or other suitable liquid, (the level of the liquid in the said chambers being successively lower from one end to the other of the casing.) 12 is a shaft mounted in the casing for carrying revolving scrubbing devices adapted to be maintained in awet conf is a trough upon the inner side of the cas 7 in g a, adjacent to the said buckets, and g is a pipe extending from the said trough to all the other chambers, so that as the liquid is raised by the buckets and discharged into the trough it will flow into the several chambers.

h t are cocks by means of which the'liquid can be shut off from any chamber or chambers, as desired.

The surfaces of the scrubbing devices dare advantageously composed of wood bars 1' 'i in the form of plasterers laths, although bars or laths of any other suitable material may be employed. These bars are carried between side plates j j j j, of preferably segmental shape, which plates j j are slotted to receive them, as shown in Figs. 4 and 5, the slots being advantageously arranged, so that the laths of one layer come opposite to the spaces between the laths of the next layer, and vice Versa.

The segmental sect-ions thus formed are secured to a wheel 70 between disks ll, as shown in Figs. 6 and 7, so that they willrotate with the central shaft 1).

WVe sometimes modify the construction of the sections, as shown in Figs. 8 and 9, by dispensing with the side plates j j j j. In such case transverse laths m mare placed between the layers of laths i t' to maintain them at proper distances apart, the ends of the sections being bound with hoop-iron to hold the laths in their proper relative positions. These sections are secured to a central Wheel between side plates of thekind hereinbefore described by means of bars a n and bolts 91/, as shown in Figs. 10 and 11; but they may be secured by any other desirable means.

By our improved construction of scrubbing devices it will be obvious that the gas, as it travels through the scrubber, is split and broken up in a more advantageous manner, and a more zigzag course is given to it than hitherto, whereby it is brought into very in timate contact with the wetted surfaces of the scrubbing devices and is subjected to a very effectual combing, which greatly facilitates the extraction of the tar and other impurities.

Our improved apparatus requires relatively but little power for driving it, and the Wear and tear is inconsiderable.

Having now particularly described and ascertained the nature of our said invention and in what manner the same is to be performed, we declare that what we claim is 1. In apparatus for washing and scrubbing gas, the combination of one or more buckets secured to the side of a revolving scrubber, with a trough 011 the inner side of the casing, and into which the said bucket or bucket-s is or are adapted to discharge, the said trough being suitably connected by a pipe or channel with one or more of the bays or chambers of the apparatus, substantially as and for the purpose hereinbefore described.

2. In apparatus for washing and scrubbing gas, comprising a number of bays or chambers, as set forth, a series of scrubbing devices, each of which is essentially constructed of a number of sections built up of bars or laths carried between suitable side plates and disks, or disks alone, the bars of one layer being disposed opposite the spaces of the next adjacent layer, and whereby, as the scrubbing devices rotate, a large area of wetted surface is provided, and whereby a Very zigzag course is given to the gas. in passing through the apparatus, the gas being thereby thoroughly broken or split up and brought into very intimate contact with the said wetted surfaces, substantially as described.

3. Scrubbing devices for machines for washing and scrubbing gas, adapted to be mounted on a rotary wheel and severally composed of a series of laths or bars disposed with those of one layer opposite the spaces of the next adjacent layer, as shown and described, and secured to and carried between segmental side plates slotted to receive them.

4. The combination, with the casing having a series of chambers, of revolving scrubbers having segmental sections and having buckets secured to their sides, a trough on the inner side of the casing,a pipe extending from said trough to the several chambers, and cocks adapted for shutting off the liquid from any one of the chambers, the bars of the scrubber being slotted side plates, and those of one layer being placed opposite the spaces existing between the bars of the next adjacent layer, all substantially as set forth.

SAMUEL CHANDLER, SNR. SAMUEL CHANDLER, JNR. JOSIAH CHANDLER.

Witnesses:

JOHN E. BOUSFIELD, F. W. PRICE. 

